File _service of Package octopi

<services>
    <service name="download_url">
        <param name="protocol">https</param>
        <param name="host">github.com</param>
        <param name="path">/aarnt/octopi/archive/refs/tags/v0.18.1.tar.gz</param>
        <param name="filename">octopi-0.18.1.tar.gz</param>
    </service>
</services>